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Application of switchable hydrophobicity solvents for extraction of emerging contaminants in wastewater samples
(MDPI, 2020)
In the present work, the effectiveness of switchable hydrophobicity solvents (SHSs) as extraction solvent (N,N-Dimethylcyclohexylamine (DMCA), N,N-Diethylethanamine (TEA), and N,N-Benzyldimethylamine (DMBA)) for a variety ...
Determination of six veterinary pharmaceuticals in egg by liquid chromatography: Chemometric optimization of a novel air assisted-dispersive liquid-liquid microextraction by solid floating organic drop
(Elsevier, 2019-02)
Two extraction strategies for albendazole, chloramphenicol, trimethoprim, enrofloxacin, oxitetracycline and nicarbazin in egg were optimized for its quantitation by liquid chromatography. First, two designs were built to ...
In-syringe dispersive liquid-liquid microextraction vs. solid phase extraction: A comparative analysis for the liquid chromatographic determination of three neonicotinoids in cotyledons
(Elsevier Science, 2020-11)
A novel extraction strategy for the determination of imidacloprid, thiamethoxam and clothianidin in soy cotyledons by liquid chromatography was developed based on the implementation of an in-syringe-dispersive liquid-liquid ...
Desenvolvimento de métodos para determinação de compostos voláteis e cera cuticular de maçãs e a aplicação no armazenamento em atmosfera controlada dinâmica
(Universidade Federal de Santa MariaBrasilCiência e Tecnologia dos AlimentosUFSMPrograma de Pós-Graduação em Ciência e Tecnologia dos AlimentosCentro de Ciências Rurais, 2016-02-24)
Volatile organic compounds (VOCs) and cuticular apple wax profiles are important quality attributes, which are closely related to aroma/flavor. In this sense, the determination of these fractions during the storage can to ...
Determinação de benzodiazepínicos em plasma por cromatografia líquida com detector ultravioleta-visível empregando microextração líquido-líquido dispersiva
(Universidade Federal de Santa MariaBrasilAnálises Clínicas e ToxicológicasUFSMPrograma de Pós-Graduação em Ciências FarmacêuticasCentro de Ciências da Saúde, 2020-03-27)
Drugs has been the main agents involved in intoxications in Brazil. According to the latest
report of SINITOX, these agents summed up 20367 cases representing 26,79% of all agents
involved. Among them, 9983 cases were ...
Otimização de nanoemulsões contendo óleo essencial de tomilho: estabilidade, atividade antifúngica e liberação in vitro
(Universidade Federal de Santa MariaBrasilAnálises Clínicas e ToxicológicasUFSMPrograma de Pós-Graduação em Ciências FarmacêuticasCentro de Ciências da Saúde, 2019-07-02)
The main objective of this work was the optimization of nanoemulsions containing Thymus vulgaris essential oil (20 mg/mL) obtained from the high speed homogenization method, without the use of organic solvents and high ...
Uma nova abordagem para a microextração líquido-líquido homogênea com solvente de hidrofilicidade comutável aplicada na determinação de antidepressivos em urina humana por GC-MS
(2020)
Os medicamentos antidepressivos são frequentemente prescritos para o tratamento da depressão, um transtorno mental que atinge mais de 264 milhões de pessoas em todo o mundo. Os frequentes problemas associados ao amplo uso ...
Microextração líquido-líquido dispersiva em fase reversa para determinação de cobre, ferro, magnésio, manganês e níquel em gordura suína
(Universidade Tecnológica Federal do ParanáMedianeiraBrasilPrograma de Pós-Graduação em Tecnologia de AlimentosUTFPR, 2022-04-08)
The pork lard, as well as other foods, is susceptible in its composition, either by natural means or by contamination, to contain metals (essential or not) that can interfere in the stability of the product or alter the ...
Sample Preparation In Alkaline Media
(, 2006)